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February 1, 2016 02:00 pm
Running "rm -rf
An anonymous reader writes: For newer systems utilizing UEFI, running rm -rf / is enough to permanently brick your system. While it's a trivial command to run on Linux systems, Windows and other operating systems are also prone to this issue when using UEFI. The problem comes down to UEFI variables being mounted with read/write permissions and when recursively deleting everything, the UEFI variables get wiped too. Systemd developers have rejected mounting the EFI variables as read-only, since there are valid use-cases for writing to them. Mounting them read-only can also break other applications, so for now there is no good solution to avoid potentially bricking your system, but kernel developers are investigating the issue. 
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/B1Yx8dPj07E/running-rm--rf--is-now-bricking-linux-systems
Running "rm -rf /" Is Now Bricking Linux Systems
An anonymous reader writes: For newer systems utilizing UEFI, running rm -rf / is enough to permanently brick your system. While it's a trivial command to run on Linux systems, Windows and other operating systems are also prone to this issue when using UEFI. The problem comes down to UEFI variables being mounted with read/write permissions and when recursively deleting everything, the UEFI variables get wiped too. Systemd developers have rejected mounting the EFI variables as read-only, since there are valid use-cases for writing to them. Mounting them read-only can also break other applications, so for now there is no good solution to avoid potentially bricking your system, but kernel developers are investigating the issue. Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/B1Yx8dPj07E/running-rm--rf--is-now-bricking-linux-systems
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